Home / 52,136.85-71,949.36-28,263.47

Finding the Fourth Proportional to 52,136.85, 71,949.36 and 28,263.47

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Solution

The fourth proportional to 52,136.85, 71,949.36 and 28,263.47 is: 39,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,136.85 : 71,949.36 = 28,263.47 : x
  2. Step 2: Convert to fraction form
    52,136.85/71,949.36 = 28,263.47/x
  3. Step 3: Cross multiply
    52,136.85x = 71,949.36 × 28,263.47
  4. Step 4: Simplify right side
    52,136.85x = 2,033,538,324.12
  5. Step 5: Solve for x
    x = 2,033,538,324.12/52,136.85
  6. Step 6: Final answer
    x = 39,003.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.